Airtac SGJ Steel Tube Type Adjustable Cylinder SGJ250X450-75
2. SG series adopts dual Y-type unidirectional piston seals with self-compensating design, delivering extended service life and low starting pressure. SGC series features space-saving asymmetric bidirectional seals with oil reservoir functionality;
3. SG series utilizes steel cylinder construction with exceptional impact resistance;
4. SGC series employs aluminum cylinder tubes compatible with optional magnetic piston position sensing (not available for SG series);
5. Precision adjustable pneumatic cushioning mechanism ensures smooth deceleration;
6. Comprehensive range of bore sizes and mounting accessories for flexible system integration;
7. High-temperature resistant seals enable reliable operation from 0°C to 150°C.
Category: Standard Cylinders | Brand: AirTAC | Series: SGJ Adjustable Steel Cylinder Series
AirTAC SGJ250X450-75 Steel Tube Adjustable Cylinder Specifications
- Model: SGJ250X450-75
- Type: Steel tube type adjustable stroke cylinder (double acting)
- Bore size: Ø250mm (±0.5mm tolerance)
- Stroke: 450mm (adjustable range: 450±75mm)
- Rod diameter: Ø60mm (chrome-plated steel)
- Operating pressure: 0.05-1.0 MPa
- Max thrust: 4,900N @ 0.7MPa
- Cushioning: Adjustable hydraulic shock absorber (both ends)
- Port size: G1-1/2 (NPT1-1/2 optional)
- Ambient temperature: -20℃ to 80℃
- Seal material: High-grade NBR + PU combination
- Tube material: Cold drawn precision steel tube (ST52)
- Weight: 78.5kg (excluding mounting accessories)
- Dimensions: 1,120mm(L) × 290mm(W) × 290mm(H) (fully extended)
- ISO standard: Compatible with ISO 15552 (VDMA 24562)
- Protection rating: IP65 (standard), IP67 optional
Heavy-duty industrial cylinder featuring precision-ground steel construction with dual-axis position detection slots. The 3-stage buffer system reduces end-impact by 65% compared to standard models. Integrated mounting threads (M12x1.75) allow direct sensor attachment. Requires SAE VG32 hydraulic oil lubrication for optimal seal performance.
- Metal stamping press ejection systems
- Injection molding machine clamp mechanisms
- Shipbuilding plate bending equipment
- Mining conveyor tensioning devices
- Automotive welding fixture positioning
Installation note:
Use M20x1.5 mounting bolts with 8.8 grade minimum. Maintain 0.5mm alignment tolerance during installation.
Lubricate rod with EP2 grease weekly in high-cycle applications (>500 strokes/hour).
| Property | Property Value |
|---|---|
| sku | SGJ250X450-75 |
| Adjustable Stroke | 75mm |
| Seal Material | NBR |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 70°C Speed Range: 30 to 500 mm/s |
| Port Size | PT 1/8 |
| Cushion Stroke | 60mm |
| Bore Diameter | <250MM> → <250mm> |
| Stroke | 450mm |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.